package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
/**
    * 条件查询
    *
    * @param shoppingCart
    * @return
    */
List<ShoppingCart> list(ShoppingCart shoppingCart);

/**
    * 更新商品数量
    *
    * @param shoppingCart
    */
@Update("update shopping_cart set number = #{number} where id = #{id}")
void updateNumberById(ShoppingCart shoppingCart);

/**
    * 插入购物车数据
    *
    * @param shoppingCart
    */
@Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
        " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
void insert(ShoppingCart shoppingCart);

        //根据用户id删除购物车数据
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long currentId);
}
